特訓

1. Origins, structure, and basic meaning

• Structure: 特訓(とっくん) means special, intensive training for a particular goal.
• Basic usage: It is used for focused skill development, such as preparing for a tournament or improving pronunciation.

2. Common pitfalls and similar expressions

• A noun used with する
  • 特訓した means did intensive training; adding する to the noun expresses the activity.
• The goal of preparation
  • 大会に備えて means in preparation for the tournament, identifying the purpose of the training.